gdb/testsuite/gdb.mi/gdb669.exp

   1 # Copyright 2002, 2003, 2004, 2007 Free Software Foundation, Inc.
   2
   3 # This program is free software; you can redistribute it and/or modify
   4 # it under the terms of the GNU General Public License as published by
   5 # the Free Software Foundation; either version 3 of the License, or
   6 # (at your option) any later version.
   7 #
   8 # This program is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 # GNU General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU General Public License
  14 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15
  16 # Please email any bugs, comments, and/or additions to this file to:
  17 # bug-gdb@prep.ai.mit.edu
  18
  19 # This file checks for the bug gdb/669, where the console
  20 # command "info threads" and the MI command "-thread-list-ids"
  21 # return different threads in the system.
  22
  23 # This only works with native configurations
  24 if {![isnative]} {
  25   return
  26 }
  27
  28 load_lib mi-support.exp
  29 set MIFLAGS "-i=mi"
  30
  31 gdb_exit
  32 if {[mi_gdb_start]} {
  33     continue
  34 }
  35
  36 # The procs below are all stolen from mi-pthreads.exp. Any updates
  37 # should also be made to the procs there.
  38
  39 proc get_mi_thread_list {name} {
  40   global expect_out
  41
  42   # MI will return a list of thread ids:
  43   #
  44   # -thread-list-ids
  45   # ^done,thread-ids=[thread-id="1",thread-id="2",...],number-of-threads="N"
  46   # (gdb)
  47   mi_gdb_test "-thread-list-ids" \
  48     {\^done,thread-ids={(thread-id="[0-9]+"(,)?)+},number-of-threads="[0-9]+"} \
  49     "-thread_list_ids ($name)"
  50
  51   set output {}
  52   if {[info exists expect_out(buffer)]} {
  53     set output $expect_out(buffer)
  54   }
  55   set thread_list {}
  56   if {![regexp {thread-ids=\{(thread-id="[0-9]+"(,)?)*\}} $output threads]} {
  57     fail "finding threads in MI output ($name)"
  58   } else {
  59     pass "finding threads in MI output ($name)"
  60
  61     # Make list of console threads
  62     set start [expr {[string first \{ $threads] + 1}]
  63     set end   [expr {[string first \} $threads] - 1}]
  64     set threads [string range $threads $start $end]
  65     foreach thread [split $threads ,] {
  66       if {[scan $thread {thread-id="%d"} num]} {
  67         lappend thread_list $num
  68       }
  69     }
  70   }
  71
  72   return $thread_list
  73 }
  74
  75 # Check that MI and the console know of the same threads.
  76 # Appends NAME to all test names.
  77 proc check_mi_and_console_threads {name} {
  78   global expect_out
  79
  80   mi_gdb_test "-thread-list-ids" \
  81     {\^done,thread-ids={(thread-id="[0-9]+"(,)*)+},number-of-threads="[0-9]+"} \
  82     "-thread-list-ids ($name)"
  83   set mi_output {}
  84   if {[info exists expect_out(buffer)]} {
  85     set mi_output $expect_out(buffer)
  86   }
  87
  88   # GDB will return a list of thread ids and some more info:
  89   #
  90   # (gdb)
  91   # -interpreter-exec console "info threads"
  92   # ~"  4 Thread 2051 (LWP 7734)  0x401166b1 in __libc_nanosleep () at __libc_nanosleep:-1"
  93   # ~"  3 Thread 1026 (LWP 7733)   () at __libc_nanosleep:-1"
  94   # ~"  2 Thread 2049 (LWP 7732)  0x401411f8 in __poll (fds=0x804bb24, nfds=1, timeout=2000) at ../sysdeps/unix/sysv/linux/poll.c:63"
  95   # ~"* 1 Thread 1024 (LWP 7731)  main (argc=1, argv=0xbfffdd94) at ../../../src/gdb/testsuite/gdb.mi/pthreads.c:160"
  96   # FIXME: kseitz/2002-09-05: Don't use the hack-cli method.
  97   mi_gdb_test "info threads" \
  98     {.*(~".*"[\r\n]*)+.*} \
  99     "info threads ($name)"
 100   set console_output {}
 101   if {[info exists expect_out(buffer)]} {
 102     set console_output $expect_out(buffer)
 103   }
 104
 105   # Make a list of all known threads to console (gdb's thread IDs)
 106   set console_thread_list {}
 107   foreach line [split $console_output \n] {
 108     if {[string index $line 0] == "~"} {
 109       # This is a line from the console; trim off "~", " ", "*", and "\""
 110       set line [string trim $line ~\ \"\*]
 111       if {[scan $line "%d" id] == 1} {
 112         lappend console_thread_list $id
 113       }
 114     }
 115   }
 116
 117   # Now find the result string from MI
 118   set mi_result ""
 119   foreach line [split $mi_output \n] {
 120     if {[string range $line 0 4] == "^done"} {
 121       set mi_result $line
 122     }
 123   }
 124   if {$mi_result == ""} {
 125     fail "finding MI result string ($name)"
 126   } else {
 127     pass "finding MI result string ($name)"
 128   }
 129
 130   # Finally, extract the thread ids and compare them to the console
 131   set num_mi_threads_str ""
 132   if {![regexp {number-of-threads="[0-9]+"} $mi_result num_mi_threads_str]} {
 133     fail "finding number of threads in MI output ($name)"
 134   } else {
 135     pass "finding number of threads in MI output ($name)"
 136
 137     # Extract the number of threads from the MI result
 138     if {![scan $num_mi_threads_str {number-of-threads="%d"} num_mi_threads]} {
 139       fail "got number of threads from MI ($name)"
 140     } else {
 141       pass "got number of threads from MI ($name)"
 142
 143       # Check if MI and console have same number of threads
 144       if {$num_mi_threads != [llength $console_thread_list]} {
 145         fail "console and MI have same number of threads ($name)"
 146       } else {
 147         pass "console and MI have same number of threads ($name)"
 148
 149         # Get MI thread list
 150         set mi_thread_list [get_mi_thread_list $name]
 151
 152         # Check if MI and console have the same threads
 153         set fails 0
 154         foreach ct [lsort $console_thread_list] mt [lsort $mi_thread_list] {
 155           if {$ct != $mt} {
 156             incr fails
 157           }
 158         }
 159         if {$fails > 0} {
 160           fail "MI and console have same threads ($name)"
 161
 162           # Send a list of failures to the log
 163           send_log "Console has thread ids: $console_thread_list\n"
 164           send_log "MI has thread ids: $mi_thread_list\n"
 165         } else {
 166           pass "MI and console have same threads ($name)"
 167         }
 168       }
 169     }
 170   }
 171 }
 172
 173 #
 174 # Start here
 175 #
 176 set testfile "pthreads"
 177 set srcfile "$testfile.c"
 178 set binfile "$objdir/$subdir/gdb669-$testfile"
 179
 180 set options [list debug incdir=$objdir]
 181 if {[gdb_compile_pthreads "$srcdir/$subdir/$srcfile" $binfile executable $options] != "" } {
 182     return -1
 183 }
 184
 185 mi_run_to_main
 186 check_mi_and_console_threads "at main"
 187
 188 for {set i 0} {$i < 4} {incr i} {
 189   mi_next "next, try $i"
 190   check_mi_and_console_threads "try $i"
 191 }
 192
 193 mi_gdb_exit
 194